Track your heart rate, even during vigorous exercise, using this lightweight ring. The built-in stopwatch and clock make it simple to track the elapsed time while counting your heart beats. Simple way to monitor your heart rate while you exercise. Easy-to-read display shows 30 to 250 beats per minute. Wear on a finger or around your neck with the included lanyard. Built-in stopwatch, clock and count-up timer help you track the time. Includes case, lanyard with safety lock and 2 CR2032 batteries. Backed by the manufacturer's 30-day limited warranty. HealthSmart(R) Adult Sports Heart Rate Ring, Red is one of many Fitness Bands available through Office Depot. Made by HealthSmart.